Exhibition Striving for Standards commemorating 100th anniversary of National Institute of Standards and Technology

Designed sealed containers for storage of fragile radioactive specimens.

Awards, Honors, and Special Recognition:

2003 Peer Recognition Award for innovation and creativity

1998 cash award for processing of Tucek carbon-14 dating apparatus.

Publications

"The Several Faces of Earth Induction."
with Deborah Warner and Klaus Hentschel. Bulletin of the Scientific Instrument Society. No. 76, March 2003, pp. 30–34.

Instruments that used a spinning coil to generate an electric current by means of the earth's magnetic field, and to measure the angle of "dip" of that field, were developed soon after the discovery of electomagnetic induction, but were used for a variety of purposes and took on a multiplicity of forms. In general, the early ones were didactic and non-quantitative; later came more elaborate designs that could yield precise numerical data for geomagnetic research.

Henry constructed in 1830 the strongest electromagnet in the world; the principles he discovered in the process led him on to devise an electric motor. His spectacular magnets launched his scientific career, but in the case of his motor, his reluctance to be involved in non-scientific applications of his discoveries battled in his psyche with his need for credit and recognition, leading to a curious ambivalence.

"Heliostat"
in Robert Bud and Deborah Jean Warner, eds., Instruments of Science. An Historical Encyclopedia. New York and London: The Science Museum and The National Museum of American History, 1998, pp. 305–308.

Before the development and widespread availability of convenient light sources operated by electricity, the sun was the best illuminant for optical experiments that required strong light. To provide a stationary beam of sunlight,
physicists in the eighteenth and nineteenth centuries invented a number of instruments that used clockwork mechanisms to move a mirror to compensate for the sun's apparent movement. The ingenuity and variety of principles embodied in these "heliostats" reveal how important the problem was considered to be.

An extensive and rich collection of demonstration apparatus, stage decorations, posters, handbills, and letters, acquired by NMAH, yields a detailed picture of the life and struggles of a minimally educated, but enthusiastic and hard-working, showman who traveled about the rural villages of upstate New York in the 1840s and 1850s, lecturing on electricity, astronomy, and other subjects. The collection and what it reveals about Came is important because very little is known about such rural lecturers and what they told and showed to their audiences.

A broadside dated Providence, R.I., 1793 shows that Greenwood was giving a lecture on electricity, with demonstrations, that followed a tradition for such lectures already half a century old in America at that time.

The American electrical scientist and inventor Charles G. Page and the Boston maker of didactic electromagnetic instruments Daniel Davis had a close working relationship for several years, beginning apparently in 1838. Davis made, sold, and described in his catalogues Page's inventions, often before Page himself published them in the scientific press, while Page benefited from Davis's mechanical skill and workshop facilities in the construction and testing of his new instruments.